rs45540831

Variant summary

Our verdict is Benign. The variant received -8 ACMG points: 0P and 8B. BA1

This summary comes from the ClinGen Evidence Repository: The filtering allele frequency of the c.3153G>A (p.Ala1051=) variant in the MYH7 gene is 0.68% (490/66740) of European chromosomes by the Exome Aggregation Consortium (http://exac.broadinstitute.org), which is a high enough frequency to be classified as benign based on thresholds defined by the ClinGen Inherited Cardiomyopathy Expert Panel (BA1; PMID:29300372). LINK:https://erepo.genome.network/evrepo/ui/classification/CA013398/MONDO:0004994/002

Frequency

Genomes: 𝑓 0.0052 ( 5 hom., cov: 32)
Exomes 𝑓: 0.0084 ( 57 hom. )

Consequence

MYH7
NM_000257.4 synonymous

Scores

2

Clinical Significance

Benign reviewed by expert panel B:25

Conservation

PhyloP100: -3.91

Publications

5 publications found
Variant links:
Genes affected
MYH7 (HGNC:7577): (myosin heavy chain 7) Muscle myosin is a hexameric protein containing 2 heavy chain subunits, 2 alkali light chain subunits, and 2 regulatory light chain subunits. This gene encodes the beta (or slow) heavy chain subunit of cardiac myosin. It is expressed predominantly in normal human ventricle. It is also expressed in skeletal muscle tissues rich in slow-twitch type I muscle fibers. Changes in the relative abundance of this protein and the alpha (or fast) heavy subunit of cardiac myosin correlate with the contractile velocity of cardiac muscle. Its expression is also altered during thyroid hormone depletion and hemodynamic overloading. Mutations in this gene are associated with familial hypertrophic cardiomyopathy, myosin storage myopathy, dilated cardiomyopathy, and Laing distal myopathy. [provided by RefSeq, May 2022]
MYH7 Gene-Disease associations (from GenCC):
  • dilated cardiomyopathy
    Inheritance: AD Classification: DEFINITIVE Submitted by: ClinGen
  • dilated cardiomyopathy 1S
    Inheritance: AD Classification: DEFINITIVE, STRONG Submitted by: G2P, Ambry Genetics, Labcorp Genetics (formerly Invitae)
  • hypertrophic cardiomyopathy
    Inheritance: AD Classification: DEFINITIVE Submitted by: ClinGen
  • hypertrophic cardiomyopathy 1
    Inheritance: AD Classification: DEFINITIVE, STRONG Submitted by: Labcorp Genetics (formerly Invitae), G2P, Ambry Genetics
  • MYH7-related skeletal myopathy
    Inheritance: AD Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: ClinGen, Labcorp Genetics (formerly Invitae), Ambry Genetics, Orphanet
  • myopathy, myosin storage, autosomal recessive
    Inheritance: AR Classification: STRONG, MODERATE Submitted by: Ambry Genetics, Labcorp Genetics (formerly Invitae)
  • myopathy, myosin storage, autosomal dominant
    Inheritance: AD Classification: MODERATE Submitted by: Ambry Genetics
  • congenital myopathy 7A, myosin storage, autosomal dominant
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
  • Ebstein anomaly
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
  • familial isolated dilated cardiomyopathy
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
  • hyaline body myopathy
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
  • left ventricular noncompaction
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
  • arrhythmogenic right ventricular cardiomyopathy
    Inheritance: AD Classification: LIMITED Submitted by: ClinGen
  • congenital heart disease
    Inheritance: AD Classification: LIMITED Submitted by: ClinGen

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -8 ACMG points.

BA1
For more information check the summary or visit ClinGen Evidence Repository.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_000257.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
MYH7
NM_000257.4
MANE Select
c.3153G>Ap.Ala1051Ala
synonymous
Exon 25 of 40NP_000248.2P12883
MYH7
NM_001407004.1
c.3153G>Ap.Ala1051Ala
synonymous
Exon 24 of 39NP_001393933.1P12883

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
MYH7
ENST00000355349.4
TSL:1 MANE Select
c.3153G>Ap.Ala1051Ala
synonymous
Exon 25 of 40ENSP00000347507.3P12883
MYH7
ENST00000858540.1
c.3153G>Ap.Ala1051Ala
synonymous
Exon 25 of 40ENSP00000528599.1
MYH7
ENST00000965955.1
c.3153G>Ap.Ala1051Ala
synonymous
Exon 25 of 40ENSP00000636014.1

Frequencies

GnomAD3 genomes
AF:
0.00524
AC:
798
AN:
152188
Hom.:
5
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00121
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00111
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.000193
Gnomad SAS
AF:
0.00455
Gnomad FIN
AF:
0.00141
Gnomad MID
AF:
0.0158
Gnomad NFE
AF:
0.0100
Gnomad OTH
AF:
0.00335
GnomAD2 exomes
AF:
0.00529
AC:
1330
AN:
251484
AF XY:
0.00553
show subpopulations
Gnomad AFR exome
AF:
0.00135
Gnomad AMR exome
AF:
0.00142
Gnomad ASJ exome
AF:
0.000397
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00166
Gnomad NFE exome
AF:
0.00934
Gnomad OTH exome
AF:
0.00521
GnomAD4 exome
AF:
0.00838
AC:
12251
AN:
1461864
Hom.:
57
Cov.:
31
AF XY:
0.00831
AC XY:
6040
AN XY:
727230
show subpopulations
African (AFR)
AF:
0.00114
AC:
38
AN:
33478
American (AMR)
AF:
0.00145
AC:
65
AN:
44724
Ashkenazi Jewish (ASJ)
AF:
0.000727
AC:
19
AN:
26136
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39700
South Asian (SAS)
AF:
0.00410
AC:
354
AN:
86256
European-Finnish (FIN)
AF:
0.00183
AC:
98
AN:
53418
Middle Eastern (MID)
AF:
0.00417
AC:
24
AN:
5750
European-Non Finnish (NFE)
AF:
0.0101
AC:
11250
AN:
1112010
Other (OTH)
AF:
0.00667
AC:
403
AN:
60392
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.501
Heterozygous variant carriers
0
781
1561
2342
3122
3903
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Exome Hom
Variant carriers
0
400
800
1200
1600
2000
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
GnomAD4 genome
AF:
0.00522
AC:
795
AN:
152306
Hom.:
5
Cov.:
32
AF XY:
0.00439
AC XY:
327
AN XY:
74470
show subpopulations
African (AFR)
AF:
0.00120
AC:
50
AN:
41558
American (AMR)
AF:
0.00111
AC:
17
AN:
15306
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3470
East Asian (EAS)
AF:
0.000193
AC:
1
AN:
5174
South Asian (SAS)
AF:
0.00414
AC:
20
AN:
4832
European-Finnish (FIN)
AF:
0.00141
AC:
15
AN:
10618
Middle Eastern (MID)
AF:
0.0170
AC:
5
AN:
294
European-Non Finnish (NFE)
AF:
0.0100
AC:
680
AN:
68032
Other (OTH)
AF:
0.00332
AC:
7
AN:
2110
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.498
Heterozygous variant carriers
0
40
80
121
161
201
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Genome Hom
Variant carriers
0
10
20
30
40
50
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
Alfa
AF:
0.174
Hom.:
6615
Bravo
AF:
0.00536
Asia WGS
AF:
0.00231
AC:
8
AN:
3478
EpiCase
AF:
0.0107
EpiControl
AF:
0.00942

ClinVar

ClinVar submissions
Significance:Benign
Revision:reviewed by expert panel
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
-
11
not specified (11)
-
-
6
not provided (6)
-
-
2
Cardiomyopathy (2)
-
-
2
Hypertrophic cardiomyopathy 1 (2)
-
-
1
Cardiovascular phenotype (1)
-
-
1
Hypertrophic cardiomyopathy (1)
-
-
1
MYH7-related skeletal myopathy (1)
-
-
1
Myosin storage myopathy (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.66
CADD
Benign
5.2
DANN
Benign
0.88
PhyloP100
-3.9
Mutation Taster
=99/1
polymorphism

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.0
Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

Other links and lift over

dbSNP: rs45540831; hg19: chr14-23891481; API